Bobin board



Julyy 12, 1949. R. E. SHIPMAN BOBBIN BOARD Filed Feb. 21, 194e- 3 Sheets-Sheet ly 4INVENTOR sFarfa/0 ATTOR N EY July l2, 1949.

R. E. SHIPMAN BOBBIN BOARD 3 Sheets-Sheet 2 Filed Feb. 21, 1946 member 1. These may be further reinforced by llets 8, as shown in Figs. 3 and 4.

Spanning the distance between each pair of angle members 1 at the ends of the frame is a substantially horizontal bail member 9, having its ends bent downwardly and secured to the upper,4

ends of the angle members as by welding, as indicated at 9a in Fig. 3. The pair of angle members 'l and bail member 9 at each end of the frame constitute handles by means of which the board may be lifted and transported.

By reference to Figs. 1, 2 and 2a, it will be seen that these handles lie substantially in the same vertical planes as the end members 2 of the frame. By virtue of this arrangement the boards may be stacked one upon the other as shown in Fig. 2, and, when so stacked, the channel member 2 of one frame ts over and is supported by the horizontal bail or handle member 9, of the board below, as clearly shown in Fig. 2e.

In Fig. 5 I have illustrated a slightly modied construction in which, instead of the bail member 9, I form the handle of a strip of sheet-metal having its lower edge rolled into tubular form, as indicated at Il, to provide a hand hold, while the other edge l projects upwardly and is adapted to enter the channel 2 of the board above, the` same as the bail member 9. In Fig. 5, the sheetmetal handle Ill, Il, is welded at its ends to the upright angle members 1 as indicated at Ila.

By reference to Figs. 5, 6 and 8, it will be seen that I have also illustrated a somewhat modified construction of pin. Instead of making the pin of a solid rod or bar, I may form it of sheet-metal, rolled into tubular form, as shown at I2, the lower end of the pin being bent to form angularly disposed wings |221. These wings of course are welded to the bent ends of the strips at each crossing point, the same as previously described and as illustrated in Fig. 6.

In order to impart greater lateral strength to the strips, I may form them as illustrated in Figs. 9 and 10. In these iigures the strip, such as 3', has a central portion I3 curved in cross section. This increases the transverse strength of the strip, while, at the same time the flat anges at the sides of the curved portion afford suitable contact for welding. Moreover, the bent ends, such as shown at 3b, are preferably iiattened out.

In Figs. 11 and 1.2, I have shown a modified construction of grid which is preferable in some cases.

Instead of placing the sections of the cross strips 4 in alinement as shown in Fig. 1, and described above, I arrange these sections in staggered relation as shown at 4', in Fig. 11. In such an arrangement only alternate sections are in alinement. i

I further iind that the bending over of the ends of these sections as shown at 4a, in Figs. 1 and 4, is not always necessary, since the sections may be anchored tothe strips 3 by means of the wings 6ab or I2a, formed at the bottom of the pins as illustrated in Figs. 7 and 8. That is to say, these:

4 wings form the connecting means between each end of a section 4 and the adjacent strips 3. The parts are assembled in the proper position and then one wing of the pin is welded to the strip 3 and the other wing is welded to the section 4. This makes a strong and rigid joint.

Although, in this modication the bent ends are eliminated at the points of intersection of the longitudinal and transverse strips, such bent ends are retained where the strips are welded to the frame, as at 3a. Furthermore, the short sections interposed between the frame l and the adjacent strip 3, have one end secured to the strip by means of the wings on the pin as described, and

the other end is bent over and welded to the frame as shown at 5a.

What I claim is:

1. A bobbin board comprising a rectangular "v' frame, a grid structure within said frame made up of longitudinal and transverse strips disposed edgewise in planes perpendicular to the plane of said frame and crossing each other at substantial right angles, and a .bobbin-holding pin secured to said strips at each crossing point.

2. A bobbin board comprising la rectangular frame, a grid structure within said frame made up of longitudinal and transverse strips disposed vertically edgewise and .crossing each other at substantial right angles, one set of strips extending continuously from one frame member to the opposite one, and each of the other set of strips being formed of alined sections having their ends bent at right angles and abutting the continuously extending strips, and a -bobbin-holding pin secured within one of the bent ends of each section.

l 3. In a bobbin board, the combination with a grid structure comprising strips arranged vertically edgewise and crossing each other at substantial right angles, of a bobbin-holding pin having its end formed to provide a pair of wings disposed at right angles to each other and secured in the corner between the strips at each crossing point.

4. A bobbin board comprising a rectangular frame, a grid structure within said frame made up of longitudinal and transverse strips disposed vertically edgewise and crossing each other at substantial right angles, one set of strips extending continuously from one frame member to the opposite one, and each of the other set of strips being formed of alined sections having their ends bent at right angles and abutting the continuously extending strips, and a bobbin-holding pin located at one of the bent ends of each section, the end of said pin being formed to provide a pair of wings disposed at right angles to ea-ch other, one of said wings being in contact Iwith said bent end and spot welded thereto and to the adjacent continuously extending strip.

5. The combination with a grid structure made up of strips arranged vertically edgewise and intersecting at an angle, of a series of pins each having its end shaped to form a pair of wings disposed at a similar angle, one of said pins being mounted at each intersection point of said strips and having its wings fitting into the angle therebetween and welded to at least one strip.

6. A grid structure comprising a series of continuous strips disposed in parallel planes, and a series of parallel crossing strips, each crossing strip 'consisting of a plurality of alined sections, each section extending between a pair of said continuous strips and having bent ends engaging the sides thereof, the bent ends o1.' the alined sections on opposite sides of one of said continuous strips being substantially in registry and Welded to said continuous strip.

7. In combination. a grid structure :comprising a series of continuous strips disposed in parallel planes, and a series of strip sections also disposed in parallel planes at an angle to said continuous strips and interposed between them, with their ends abutting the sides of said continuous strips, and a .bobbin-holding pin rigidly mounted in the corner formed by the intersection of each ycontinuous strip and strip section.

8. In combination, a grid structure comprising a series of continuous strips disposed in parallel planes, and a series of parallel strip sections disposed at an angle to said continuous strips and interposed between them, with their ends abutting the sides of said continuous strips, and a bobbin-holding pin having its end shaped to provide a pair of wings disposed at a similar angle, and mounted in each corner formed by the intersection of said strips and sections, one of said Wings being welded to the strip and the other to the adjacent section, said wings constituting the sole REFERENCES CITED The following referenlces are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,794,775 Johnson Mar. 3, 1931 1,895,416 Johnson Jan. 24, 1933 2,223,554 Davis Dec. 3, 1940 FOREIGN PATENTS Number Country Date 1,702 Great Britain 1889 

